[INFO] fetching crate tear 0.5.1...
[INFO] building tear-0.5.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tear 0.5.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tear 0.5.1
[INFO] finished tweaking crates.io crate tear 0.5.1
[INFO] tweaked toml for crates.io crate tear 0.5.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tear 0.5.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e4cb35626c813f423605807b6f707f51e1c3028e91412212ab240ae142c6d1c
[INFO] running `Command { std: "docker" "start" "-a" "2e4cb35626c813f423605807b6f707f51e1c3028e91412212ab240ae142c6d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e4cb35626c813f423605807b6f707f51e1c3028e91412212ab240ae142c6d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4cb35626c813f423605807b6f707f51e1c3028e91412212ab240ae142c6d1c", kill_on_drop: false }`
[INFO] [stdout] 2e4cb35626c813f423605807b6f707f51e1c3028e91412212ab240ae142c6d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba061d50610a14a83c45b9aa0d2fa8c7573d6213e40540bac610562c7d014787
[INFO] running `Command { std: "docker" "start" "-a" "ba061d50610a14a83c45b9aa0d2fa8c7573d6213e40540bac610562c7d014787", kill_on_drop: false }`
[INFO] [stderr]    Compiling tear v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "ba061d50610a14a83c45b9aa0d2fa8c7573d6213e40540bac610562c7d014787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba061d50610a14a83c45b9aa0d2fa8c7573d6213e40540bac610562c7d014787", kill_on_drop: false }`
[INFO] [stdout] ba061d50610a14a83c45b9aa0d2fa8c7573d6213e40540bac610562c7d014787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7108f6b5e4aec3e2524a4842e7608ba7437ed77de7fcc14b67a8d0e1aea409
[INFO] running `Command { std: "docker" "start" "-a" "ac7108f6b5e4aec3e2524a4842e7608ba7437ed77de7fcc14b67a8d0e1aea409", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stderr]    Compiling tear v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `break` value
[INFO] [stdout]    --> tests/label.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             break 'a (x * 2);
[INFO] [stdout]     |                      ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 236 -             break 'a (x * 2);
[INFO] [stdout] 236 +             break 'a x * 2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "ac7108f6b5e4aec3e2524a4842e7608ba7437ed77de7fcc14b67a8d0e1aea409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7108f6b5e4aec3e2524a4842e7608ba7437ed77de7fcc14b67a8d0e1aea409", kill_on_drop: false }`
[INFO] [stdout] ac7108f6b5e4aec3e2524a4842e7608ba7437ed77de7fcc14b67a8d0e1aea409